the rounded portion of the brain, directly behind the cerebrum in birds and mammals, that serves mainly to coordinate movement, posture, and balance. [1555â65; < Latin: brain, diminutive of cerebrum (for formation see castle)] cer`eâ¢belâ²lar, adj.
A pulled muscle is a painful injury that is caused when muscle fibers become torn. These injuries are usually caused by engaging in physical activity without properly warming up first. They can also occur when a person who is not in shape does something that is strenuous to the muscles.
The vast majority of pulled calf muscles will heal completely within a few weeks without any treatment. Pulled muscles are also called muscle strains. They occur when muscle fibers are stretched beyond their normal length. The injury creates tears in the muscle that are usually tiny (microtears). In the most severe calf muscle strains, the entire muscle is torn, causing significant swelling and pain.